body {
  font-family: sans-serif;
  background-color: #f7f7f7;
}

.container {
  width: 500px;
  margin: 0 auto;
}

.header {
  background-color: #fff;
  padding: 20px;
}

.content {
  padding: 20px;
}

.footer {
  background-color: #f7f7f7;
  padding: 20px;
}

h1 {
  font-size: 2em;
}

p {
  font-size: 16px;
}

a {
  color: #000;
  text-decoration: none;
}